KR100768056B1 - 화상 처리 장치 - Google Patents

화상 처리 장치 Download PDF

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Publication number
KR100768056B1
KR100768056B1 KR1020050130565A KR20050130565A KR100768056B1 KR 100768056 B1 KR100768056 B1 KR 100768056B1 KR 1020050130565 A KR1020050130565 A KR 1020050130565A KR 20050130565 A KR20050130565 A KR 20050130565A KR 100768056 B1 KR100768056 B1 KR 100768056B1
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KR
South Korea
Prior art keywords
data
histogram data
histogram
memory
image data
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KR1020050130565A
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English (en)
Korean (ko)
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KR20070025896A (ko
Inventor
마사키 오카다
Original Assignee
후지쯔 가부시끼가이샤
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Publication of KR20070025896A publication Critical patent/KR20070025896A/ko
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Publication of KR100768056B1 publication Critical patent/KR100768056B1/ko

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/92Dynamic range modification of images or parts thereof based on global image properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57Control of contrast or brightness
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/40Image enhancement or restoration using histogram techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Studio Devices (AREA)
KR1020050130565A 2005-08-29 2005-12-27 화상 처리 장치 KR100768056B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005248270A JP2007067571A (ja) 2005-08-29 2005-08-29 画像処理装置
JPJP-P-2005-00248270 2005-08-29

Publications (2)

Publication Number Publication Date
KR20070025896A KR20070025896A (ko) 2007-03-08
KR100768056B1 true KR100768056B1 (ko) 2007-10-18

Family

ID=37651107

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050130565A KR100768056B1 (ko) 2005-08-29 2005-12-27 화상 처리 장치

Country Status (6)

Country Link
US (1) US20070047807A1 (de)
EP (1) EP1760660A3 (de)
JP (1) JP2007067571A (de)
KR (1) KR100768056B1 (de)
CN (1) CN1925545A (de)
TW (1) TW200709665A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8896712B2 (en) * 2007-07-20 2014-11-25 Omnivision Technologies, Inc. Determining and correcting for imaging device motion during an exposure
US8350952B2 (en) * 2008-06-04 2013-01-08 Omnivision Technologies, Inc. Image sensors with improved angle response
JP4703695B2 (ja) * 2008-08-28 2011-06-15 シャープ株式会社 データ作成装置、データ作成方法、データ作成用プログラム、描画装置、描画方法、および、描画用プログラム
US8224082B2 (en) * 2009-03-10 2012-07-17 Omnivision Technologies, Inc. CFA image with synthetic panchromatic image
US8237831B2 (en) * 2009-05-28 2012-08-07 Omnivision Technologies, Inc. Four-channel color filter array interpolation
JP5593975B2 (ja) * 2010-08-30 2014-09-24 富士通セミコンダクター株式会社 画像処理装置、画像処理方法、及びスケジューリング装置
TWI449028B (zh) * 2012-06-04 2014-08-11 Ind Tech Res Inst 自發光顯示裝置、適應性顯示控制方法及適應性調整電路
DE102013222998A1 (de) * 2013-11-12 2015-05-13 Continental Automotive Gmbh Wandlerschaltung für eine anwendungsspezifische integrierte Schaltung
KR102356647B1 (ko) * 2015-04-17 2022-01-28 삼성디스플레이 주식회사 표시 장치 및 이를 이용한 표시 패널의 구동 방법
WO2017132858A1 (en) * 2016-02-03 2017-08-10 Chongqing University Of Posts And Telecommunications Methods, systems, and media for image processing
CN113507568A (zh) * 2016-05-30 2021-10-15 索尼公司 图像拾取装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05189562A (ja) * 1992-01-10 1993-07-30 Fuji Electric Co Ltd 濃淡画像の領域分割方法
KR100324490B1 (ko) 1995-03-10 2002-06-26 이종수 영상처리장치

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2046051B (en) * 1979-03-29 1983-01-26 Philips Electronic Associated Real time histogram modification system for image processing
US4797943A (en) * 1985-11-29 1989-01-10 Ricoh Company, Ltd. Gradation data processing apparatus
JPS6342575A (ja) * 1986-08-08 1988-02-23 Dainippon Screen Mfg Co Ltd 階調変換方法およびその装置
JPS63207650A (ja) 1987-02-25 1988-08-29 Canon Inc 画像形成装置
JP2709356B2 (ja) * 1988-05-16 1998-02-04 株式会社鷹山 画像処理方法
JP2936791B2 (ja) * 1991-05-28 1999-08-23 松下電器産業株式会社 階調補正装置
JPH05316446A (ja) * 1992-05-08 1993-11-26 Matsushita Electric Ind Co Ltd 階調補正装置
JP3456032B2 (ja) * 1994-05-09 2003-10-14 富士写真フイルム株式会社 画像処理方法
JP3779400B2 (ja) * 1996-11-28 2006-05-24 株式会社東芝 画像処理方法
JP3852998B2 (ja) * 1996-12-25 2006-12-06 シャープ株式会社 画像処理装置
KR100213094B1 (ko) * 1997-02-21 1999-08-02 윤종용 영상 개선장치를 위한 히스토그램 및 cdf 추출방법 및 그 회로
JP2951910B2 (ja) * 1997-03-18 1999-09-20 松下電器産業株式会社 撮像装置の階調補正装置及び階調補正方法
EP0933924B1 (de) * 1998-01-28 2004-03-24 Konica Corporation Bildverarbeitungsvorrichtung
US6411730B1 (en) * 1999-01-15 2002-06-25 Adobe Systems Incorporated Histogram for generating a palette of colors
US6625308B1 (en) * 1999-09-10 2003-09-23 Intel Corporation Fuzzy distinction based thresholding technique for image segmentation
US7003153B1 (en) * 2000-09-29 2006-02-21 Sharp Laboratories Of America, Inc. Video contrast enhancement through partial histogram equalization
CN1203657C (zh) * 2001-08-07 2005-05-25 佳能株式会社 图像处理方法和装置
US20050053281A1 (en) * 2003-09-06 2005-03-10 Match Lab, Inc. Method and apparatus for acquiring image characteristics
US7454058B2 (en) * 2005-02-07 2008-11-18 Mitsubishi Electric Research Lab, Inc. Method of extracting and searching integral histograms of data samples

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05189562A (ja) * 1992-01-10 1993-07-30 Fuji Electric Co Ltd 濃淡画像の領域分割方法
KR100324490B1 (ko) 1995-03-10 2002-06-26 이종수 영상처리장치

Also Published As

Publication number Publication date
EP1760660A3 (de) 2008-12-24
JP2007067571A (ja) 2007-03-15
TW200709665A (en) 2007-03-01
CN1925545A (zh) 2007-03-07
EP1760660A2 (de) 2007-03-07
KR20070025896A (ko) 2007-03-08
US20070047807A1 (en) 2007-03-01

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